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optimize Page.java

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开源海哥 2023-06-15 18:14:14 +08:00
parent 0b8386efbe
commit e86fd2b2d2
1 changed files with 4 additions and 5 deletions
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9
mybatis-flex-core/src/main/java/com/mybatisflex/core/paginate/Page.java
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@ -24,7 +24,7 @@ import java.util.function.Function;
public class Page<T> implements Serializable { public class Page<T> implements Serializable {
private static final long serialVersionUID = 1L; private static final long serialVersionUID = 1L;
private static final int INIT_VALUE = -1; public static final int INIT_VALUE = -1;
private List<T> records = Collections.emptyList(); private List<T> records = Collections.emptyList();
private int pageNumber = INIT_VALUE; private int pageNumber = INIT_VALUE;
@ -112,9 +112,6 @@ public class Page<T> implements Serializable {
} }
public void setTotalRow(long totalRow) { public void setTotalRow(long totalRow) {
if (totalRow < 0) {
throw new IllegalArgumentException("totalRow must greater than or equal 0，current value is: " + totalRow);
}
this.totalRow = totalRow; this.totalRow = totalRow;
this.calcTotalPage(); this.calcTotalPage();
} }
@ -123,7 +120,9 @@ public class Page<T> implements Serializable {
* 计算总页码 * 计算总页码
*/ */
private void calcTotalPage() { private void calcTotalPage() {
if (totalPage == INIT_VALUE && pageSize != INIT_VALUE && totalRow != INIT_VALUE) { if (pageSize < 0 || totalRow < 0) {
totalPage = INIT_VALUE;
} else {
totalPage = totalRow % pageSize == 0 ? (totalRow / pageSize) : (totalRow / pageSize + 1); totalPage = totalRow % pageSize == 0 ? (totalRow / pageSize) : (totalRow / pageSize + 1);
} }
} }